Gas-fired Hot Water Boiler Systems

Envirosep’s Modular Hot Water Boiler System solutions are pre-manufactured, modular buildings, with hot water boiler and pumping equipment, that are manufactured in an environmentally-controlled factory. A modular hot water boiler plant provides a building owner with a completely integrated solution for any industrial or commercial facility needs. Envirosep engineering and manufacturing experience with steam systems provides us with the ability and expert knowledge required to provide you with a complete steam generating system for your facility. All required equipment such as; steam pressure reducing stations, condensate surge, deaerator, boiler feedwater pumps, blowdown separator, and chemical feed systems may be included for a completely integrated solution.


  • Pre-insulated foam-in-place walls and roof
  • Continuously welded frame and structure
  • Ample interior working space
  • Equipment maintenance access and roll-up doors
  • Direct combustion intake air ducts and direct exhaust stacks
  • State-of-the-art PLC based system controller, with color touch screen interface
  • Efficient natural gas-fired hot water boilers
  • Air separator, expansion tank, make-up water assembly, and chemical bypass feeder
  • Variable speed centrifugal pumps


  • Condensing hot water boilers
  • Auto boiler sequencing and staging
  • Seismic design, wind loading, snow loading, and PE stamp
  • ASME PP stamp
  • Redundant PLC controller
  • Uninterruptible power supply
  • Factory online performance monitoring via internet connection
  • Full modulation boilers
  • *Thermal heat transfer fluid boilers available

Main Markets Served

  • Healthcare
  • Education
  • Commercial Buildings
  • Industrial & Manufacturing
  • Automotive
  • Hospitality & Gaming
packaged pumping systems
industrial control panels

Contact us to learn more about Envirosep solutions.

We offer integrated solutions for your fluid handling, heat transfer and energy recovery needs.